Home / 1,010,279.04-1,394,178.72-557,569.92

Finding the Fourth Proportional to 1,010,279.04, 1,394,178.72 and 557,569.92

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Solution

The fourth proportional to 1,010,279.04, 1,394,178.72 and 557,569.92 is: 769,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,279.04 : 1,394,178.72 = 557,569.92 : x
  2. Step 2: Convert to fraction form
    1,010,279.04/1,394,178.72 = 557,569.92/x
  3. Step 3: Cross multiply
    1,010,279.04x = 1,394,178.72 × 557,569.92
  4. Step 4: Simplify right side
    1,010,279.04x = 777,352,117,376.10
  5. Step 5: Solve for x
    x = 777,352,117,376.10/1,010,279.04
  6. Step 6: Final answer
    x = 769,442.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.